diff --git a/src/openlayer/lib/tracing/steps.py b/src/openlayer/lib/tracing/steps.py
index 64a02deb..46185508 100644
--- a/src/openlayer/lib/tracing/steps.py
+++ b/src/openlayer/lib/tracing/steps.py
@@ -118,6 +118,9 @@ def log(self, **kwargs: Any) -> None:
         """Logs step data."""
         for key, value in kwargs.items():
             if hasattr(self, key):
+                if key == "metadata":
+                    self.metadata.update(value)
+                    continue
                 setattr(self, key, value)
 
     def to_dict(self) -> Dict[str, Any]: